While Scala has a type inference, it is considered good practice to explicitly define the return type of public functions. Is it possible to get IDEA add the explicit return type from the inferred one?
Generate return type signature in Scala with Intellij Idea
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If you are on a method name then you can hit ALT + ENTER to get the Intention Actions where the first is usually the Add type annotation to function definition
Illustration:
In this case it would add
Intto the return type of theexampleFunction.Might I add this also works for
val/vardeclarations, essentially whenever there is a type inferred.